2011 — Health Net: Several server drives, containing personal… 2011 1.9M records affected Share on X Technical writeup Several server drives, containing personal information of former and current employees, went missing. Root cause Lost / stolen device Referenceshttp://www.idtheftcenter.org/artman2/publish/lib_survey/ITRC_2008_Breach_List.shtmlhttp://www.hhs.gov/ocr/privacy/hipaa/administrative/breachnotificationrule/breachtool.html